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USB-303 (Ver.1.0) 

5.

 

Specifications 

5.1.

 

Product Specification 

Item 

Description 

Remarks 

Model 

USB-303 

 

Input Power 

5VDC 
Supplied through a USB 
port(Bus-powered) or AC 
adapter(Self-powered) 

Recommend the use of an AC 
adapter for stably supply 
An AC adapter supply to the 
host side. 

Supplied Current to 
Target device 

500mA/port max. 

 

Support OS 

OS-Independent 
(No drivers required) 

 

HOST interface 

USB 2.0 Compliant 
(Supports Full and Low Speed) 

USB 1.1 compatible 
High Speed is not supported. 
ESD protection 

Port number 

2 ports 

 

USB Connector 

Host: Standard Type B Female 
Target: Standard Type A Female ×2 

 

Isolation Method 

Bus Isolation(Independent isorated)   

Isolation Protection 

3000VDC 

Designed value 

LED 

ST: Status LED

×

 

Operating Ambient 
Temperature 

-20 to 60 °C 

No condensation permitted 

Operating Ambient 
Humidity 

30 to 85%RH 

Storage Ambient 
Temperature 

-20 to 60 °C 

Storage Ambient 
Humidity 

30 to 85%RH 

Dimensions 

69 x 82.5 x 30 [mm] 
(2.638" x 3.248" x 1.181") 

Without projections 

Weight 

Approx. 120 [g] 

Only main body 

 
 

Summary of Contents for USB-303

Page 1: ...HuMANDATA LTD 2 Port USB Isolator USB 303 User s Manual Ver 1 0...

Page 2: ......

Page 3: ...story 2 Introduction 2 1 Overview 3 2 Feature 4 3 Connection 5 4 Power Supply 5 5 Specifications 6 5 1 Product Specification 6 5 2 Optional Accessories 7 6 Additional Documentation and User Support 7...

Page 4: ......

Page 5: ...owing to improvements 7 All efforts have been made to produce the best manual possible but if users notice an error or other problem we ask that they notify us 8 Item 7 notwithstanding HuMANDATA cann...

Page 6: ...n Description Oct 5 2016 v1 0 Initial release Introduction Thank you very much for purchasing our product USB 303 is a USB 2 0 Full Speed 12Mbps and Low Speed 1 5Mbps compliant isolator that isolates...

Page 7: ...3 USB 303 Ver 1 0 1 Overview USB Host side Status LED Green Power Red Over Load USB Target side Power Input Positive Tip USB Connector Upstream USB Connector 2 Downstream Status LED 2...

Page 8: ...with 3000VDC Each of the two downstream ports are also isolated independently With USB 303 it can be expected to eliminate ground loops that can cause measurement errors and equipment from surges comm...

Page 9: ...t side connector to the host such as a personal computer and connect a USB peripheral device to the target side connector 4 Power Supply USB 303 is powered through a USB port Bus powered or an AC adap...

Page 10: ...mpliant Supports Full and Low Speed USB 1 1 compatible High Speed is not supported ESD protection Port number 2 ports USB Connector Host Standard Type B Female Target Standard Type A Female 2 Isolatio...

Page 11: ...PEN 003 MG USB series Attachment with neodymium magnet JAN 4937920801201 6 Additional Documentation and User Support The following documents and other supports are available at http www hdl co jp en f...

Page 12: ...s Manual Ver 1 0 Oct 5 2016 HuMANDATA LTD Address 1 2 10 2F Nakahozumi Ibaraki Osaka Japan ZIP 567 0034 Tel 81 72 620 2002 Japanese Fax 81 72 620 2003 Japanese English URL http www fa hdl co jp Japan...

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